{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75074",
    "entityType": "User",
    "nonce": "0xd2cd635633b3f2cec256a0cea5a20838a3ccf748bcb10b8fd4c20d78b24d5e8f",
    "signature": "0x467e739d8e1505c8abfd7c72ebc3e1af37f0fea540bc79633309f810d3c3f8f3685085658eed00de16890b5f10c396b572c25d07280b9ef28375917984c561481c",
    "signer": "0xe414F869b14FB35d5dB121a742FacDC41bA9AE2b",
    "userId": "137236168"
  }
}